Eric Barnes

CT
Stress leads to more heart attacks among police, firefighters
Police officers and firefighters are far more likely than the general population to suffer heart attacks or sudden cardiac death on the job. But their coronary CT calcium scores don't differ all that much from those of the general population, according to a study presented at the American College of Cardiology meeting in Atlanta.
March 14, 2010
CT
VC CAD: Projection-based features reduce false positives
An advanced visualization method for virtual colonoscopy could help computer-aided detection (CAD) programs slash false-positive rates, according to researchers from the State University of New York at Stony Brook and colleagues.
March 9, 2010
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CT
Organ-based tube-current modulation cuts breast dose
VIENNA - Radiation doses to the breast can be cut by nearly 40% using a new organ-based dose modulation technique in combination with a noise-optimized image reconstruction method. The two techniques must be used together if the resulting images are to remain readable, researchers reported.
March 7, 2010
CT
One-day bowel prep eases VC for patients, providers
VIENNA - A one-day bowel prep and virtual colonoscopy exam regimen offers sufficiently good image quality, making life easier for both patients and providers compared to a multiday regimen, according to a study presented Sunday at the European Congress of Radiology.
March 6, 2010
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CT
CT doses, widely variable in Europe, are reduced by staff efforts
VIENNA - Although dose variations remain wide on the continent, there are opportunities for substantial improvement with dose-reduction training and programs, according to two European studies of clinical CT doses presented back-to-back Saturday at the European Congress of Radiology.
March 5, 2010
CT
Coronary CTA predicts long-term outcomes
VIENNA - A decade's worth of coronary CT angiography (CTA) studies is starting to reveal the modality's long-term predictive powers, if a study from one of Poland's largest heart centers is any indication.
March 5, 2010
CT
High pitch equals low dose in coronary CT angiography
VIENNA - High-pitch dual-source CT exams can evaluate the coronary arteries using about a third of the dose of even prospectively triggered exams, according to a study presented in Thursday's cardiac sessions of the European Congress of Radiology.
March 3, 2010
CT
320-row CT minimizes dose in pediatric abdominal studies
It's no secret that CT radiation dose levels in children -- especially in the emergency department, where patients are fidgety and physicians need fast answers -- are too high. One solution, investigated by researchers from Toronto and Berlin, is wide-area-detector scans with 320-detector-row CT.
March 2, 2010
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Nuclear Medicine
SPECT more costly, less effective than CTA for chest pain
Coronary CT angiography (CTA) is the most cost-effective way to diagnose patients with chest pain and suspected coronary artery disease, according to a new study in the March issue of Radiology.
March 1, 2010
CT
Obama gets virtual colonoscopy, keeps presidential powers
As part of his first annual comprehensive physical exam as chief executive, U.S. President Barack Obama underwent a virtual colonoscopy exam that found him free of colorectal polyps or cancer, chief White House physician and Navy Captain Dr. Jeffrey Kuhlman told reporters Sunday.
February 28, 2010
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Revealed: The cause of CT safety incident in Belgium
A single bottle of contaminated contrast agent was the cause of eight patients' illness after undergoing CT in Belgium.
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Agentic AI as the new infrastructure for interoperability
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AI interpretation leads to high NPV, recall rates in breast imaging
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How does practice consolidation affect radiology services pricing?
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IDR process financially unfeasible for radiologists
By Amerigo Allegretto
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ACS: Cancer mortality declines, but incidence rates rise
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A new American Cancer Society (ACS) report reveals that overall cancer mortality continues to decline, but incidence rates are up.
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Wider use of cardiac PET faces challenges
By Will Morton
Strategies to increase the use of cardiac PET myocardial perfusion imaging in the U.S. include education, advocacy, and industry partnerships.
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AI may help plan new treatment in scoliosis patients
By Will Morton
An AI model for x-ray imaging could help clinicians plan treatment other than spinal fusions in adolescent patients with idiopathic scoliosis.
January 17, 2024
Features extracted from lateral radiographs. (a) thoracic kyphosis and lumbar lordosis (b) proximal thoracic kyphosis (c) mid-lower thoracic kyphosis (d) thoracolumbar lordosis angle measured between the superior endplate and the inferior endplate of the vertebral levels: T2-T12, L1-L5, T2-T5, T5-T12, and T12-L2. Image courtesy of PLOS One.
Can ictal SPECT make a comeback in epilepsy patients?
By Will Morton
A feasibility study could revive interest in SPECT seizure imaging to help neurosurgeons guide brain surgery in epilepsy patients.
January 16, 2024
Schematic of triggered ictal SPECT and data processing. (A) Previously screened and selected sEEG bipolar contact is stimulated to trigger patient-typical seizure. Directly after seizure onset, confirmed through sEEG signals and semiology, systemic bolus of radiotracer (Tc-99m HMPAO) is administered. Planned SPECT is acquired within less than one hour. (B) Raw data processing from left to right (dataset from participant three as example). Postimplantation CT and preimplantation T1-weighted MRI are coregistered for sEEG lead localization. Raw SPECT images are coregistered to T1-weighted MRI sequence. SPECT deviation map is computed and anatomically colocalized with sEEG signals. Image courtesy of the Journal of Nuclear Medicine.
IMV: Nonhospital sites see increased competition for oncology-related imaging
By Davin Korstjens
In 2023, nonhospital sites faced more competition compared to hospital-based facilities for oncology-related diagnostic imaging scans, according to IMV’s recent report.
January 16, 2024
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Health disparities persist despite decline in cancer mortality rates
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While cancer mortality rates declined in the U.S. between 2000 and 2020, racial and ethnic disparities persisted for many cancers.
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Reimbursement issues give impetus to AI adoption
By Sanjay M. Parekh, PhD
Adoption of AI solutions remains nascent and inconsistent. The market has yet to see widespread adoption of medical AI technologies, as Sanjay M. Parekh, PhD, explains.
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Vacation days taken and working during vacation tied to burnout
By Amerigo Allegretto
The number of vacation days taken by physicians -- and working on patient-related tasks while on vacation -- are tied to physician burnout.
January 12, 2024
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